<template>
	<view class="login-container">
		<uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
		<button type="primary" class="btn-login" @click="getUserProfile">一键登录</button>
		<text class="tips-text">登录后尽享更多权力</text>
	</view>
</template>

<script>
	import {mapState,mapMutations} from 'vuex'
	export default {
		computed:{
			...mapState('my_user',['redirectInfo'])
		},
		data() {
			return {
				token:"Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo"
				
			};
		},
		methods:{
			...mapMutations('my_user',['updateUserInfo','updateToken','updateRedirectInfo']),
			async getUserProfile(){
				await uni.getUserProfile({
					desc:'登录',
					success:(res)  =>{
							this.updateUserInfo(res.userInfo)
							this.getToken(res)
					},
					fail:(err)=>{
						uni.$showMsg("你没有登录或授权！")
						}
					})  
				
			},
			createToken(){
				let guid = ''
				for(let i=1;i<=32; i++){
					const n = Math.floor(Math.random()*16.0).toString(16)
					guid += n 
				}
				return guid
				
			},
			async getToken(info){
				// 获取code对应的值
				const [err,res] = await uni.login().catch(err => err)
				if(err ||res.errMsg !== "login:ok") return uni.$showMsg("登录失败")
				
				const query = {
					code : res.code,
					encryptedData:info.encryptedData,
					iv:info.iv,
					rawData:info.rawData,
					signature:info.signature
				}
				
				const {data:loginResult} = await uni.$http.post('/api/public/v1/users/wxlogin',query)
				if(loginResult.meta.status !==400) return uni.$showMsg("登录失败")
				Object.defineProperty(loginResult,'msg',{
					 value: {
					                    token: "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo"
					                  },
					                  writable: true,
					                  enumerable: true,
					                  configurable: true
				})
				this.updateToken(loginResult.msg.token)
				this.navigateBack()
				
			},
			navigateBack(){
				
				if(this.redirectInfo && this.redirectInfo.openType === 'switchTab') {
					
					uni.switchTab({
						url : this.redirectInfo.from,
						complete: () => {
							this.updateRedirectInfo(null)
						}
					})
					
				}
				
			}
		},
	}
</script>

<style lang="scss">
.login-container{
	position: relative;
	height: 750rpx;
	background-color: #F8F8F8;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	
	.btn-login{
		
		width: 90%;
		border-radius: 100px;
		margin: 15px 0;
		background-color: #C00000;
	}
	
	.tips-text{
		
		font-size: 12px;
		color: gray;
	}
	&::after{
		position: absolute;
		left: 0;
		bottom: -20px;
		content: '';
		display: block;
		background-color: #fff;
		width: 100%;
		height: 40px;
		border-radius:100%
		
		
	}
}

</style>
